90000800

素因数分解:

$2^5\times 5^2\times {\mathrm{112501}}^1$

素因数の和:112521

約数の個数: 36

約数和(自身を含む): 219716406

約数和(自身を除く): 129715606

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 112501, 225002, 450004, 562505, 900008, 1125010, 1800016, 2250020, 2812525, 3600032, 4500040, 5625050, 9000080, 11250100, 18000160, 22500200, 45000400, 90000800]

約数ペア:

[(1, 90000800), (2, 45000400), (4, 22500200), (5, 18000160), (8, 11250100), (10, 9000080), (16, 5625050), (20, 4500040), (25, 3600032), (32, 2812525), (40, 2250020), (50, 1800016), (80, 1125010), (100, 900008), (160, 562505), (200, 450004), (400, 225002), (800, 112501)]